28542852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:953

約数の個数: 72

約数和(自身を含む): 78886080

約数和(自身を除く): 50343228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 859, 923, 1278, 1718, 1846, 2556, 2577, 2769, 3436, 3692, 5154, 5538, 7731, 8307, 10308, 11076, 11167, 15462, 16614, 22334, 30924, 33228, 33501, 44668, 60989, 67002, 100503, 121978, 134004, 182967, 201006, 243956, 365934, 402012, 548901, 731868, 792857, 1097802, 1585714, 2195604, 2378571, 3171428, 4757142, 7135713, 9514284, 14271426, 28542852]

約数ペア:

[(1, 28542852), (2, 14271426), (3, 9514284), (4, 7135713), (6, 4757142), (9, 3171428), (12, 2378571), (13, 2195604), (18, 1585714), (26, 1097802), (36, 792857), (39, 731868), (52, 548901), (71, 402012), (78, 365934), (117, 243956), (142, 201006), (156, 182967), (213, 134004), (234, 121978), (284, 100503), (426, 67002), (468, 60989), (639, 44668), (852, 33501), (859, 33228), (923, 30924), (1278, 22334), (1718, 16614), (1846, 15462), (2556, 11167), (2577, 11076), (2769, 10308), (3436, 8307), (3692, 7731), (5154, 5538)]